Repeat with the flour mixture, then coconut milk, scrape down the sides as needed.
Add 3 tablespoons of the cupcake batter to each cupcake liner.
Bake for 17-20 minutes until a toothpick inserted into the center comes out clean.
Allow to cool for 5 minutes in the tin, then take them out and cool completely on a wire rack.
While the cupcakes are cooling, make the frosting. Add the butter to the body of a stand mixer with the paddle attachment. Whip until smooth.
1 & 1/2 cups salted butter
Slowly add the powdered sugar a spoonful at a time, making sure it is mixed in before adding the next, until fully incorporated. Yes, this takes a long time, but this is what makes the frosting extra fluffy.
6 cups powdered sugar
Add the coconut milk, coconut extract, and vanilla extract. Stir to combine.